BIOD 171 PORTAGE LEARNING ESSENTIAL MICROBIOLOGY FINAL PAPER QUESTIONS ANSWERS COMPLETE SOLUTION VIEW AHEAD SUCCESS STRATEGY

BIOD 171 PORTAGE LEARNING ESSENTIAL
MICROBIOLOGY FINAL PAPER QUESTIONS
ANSWERS COMPLETE SOLUTION VIEW
AHEAD SUCCESS STRATEGY

●● True or false: enzymes slow down chemical reactions to conserve
energy
Answer: false, they speed up (catalyze) chemical reactions


●● The term for metal ions that assist enzymes during the catalysis
reaction
Answer: cofactors


●● What is catabolism?
Answer: The process of breaking down larger molecules into useful
energy sources


●● Upon cellular injury, which metabolic process is involved during the
growth and repair phases of the cell.
Answer: anabolism


●● An organism that obtains its energy (derives ATP) from photons of
light is called a __________________

, Answer: phototrophic microorganism


●● An organism that derives its energy by removing electrons from
elemental sulfur would be classified as a ____________
Answer: Lithotroph


●● Describe the energy transfer process relative to both ADP and ATP
Answer: ATP has the energy (phosphate group) to donate, and ADP can
accept energy in the form of a phosphate group. Thus, ATP can be
dephosphorylated (ATP-----> ADP + Pi), while ADP can be
dephosphorylated into ATP (ADP + Pi -----> ATP)


●● This phosphorylation process occurs in the mitochondria of
chemotropic eukaryotes
Answer: oxidative phosphorylation


●● The catabolism of a single molecule of glucose goes through what
three transitions
Answer: The breakdown of glucose goes through 1. glycolysis 2.
fermentation or respiration and then 3. electron transport chain ETC


●● True or false: in the absence of absence of oxygen fermentation
produces 2 ATP
Answer: false